732
FXUS64 KBRO 131123 AAB
AFDBRO
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
623 AM CDT FRI MAR 13 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 618 AM CDT FRI MAR 13 2026
KEY MESSAGES:
- A WARMING TREND STARTS FRIDAY THROUGH THE WEEKEND, WITH RECORD
HIGHS POSSIBLE ON SUNDAY.
- A STRONG COLD FRONT IS EXPECTED SUNDAY NIGHT INTO MONDAY, WHICH
WILL BRING BELOW-SEASONAL TEMPERATURES AND FIRE, MARINE, AND
BEACH HAZARDS TO THE REGION.
DISCUSSION
ISSUED AT 1055 PM CDT THU MAR 12 2026
WINDS WILL LIKELY SHIFT BACK TO THE SOUTHEAST FRIDAY AFTERNOON
ALLOWING TEMPERATURES TO INCREASE THROUGH THE WEEKEND. HIGH
TEMPERATURES WILL LIKELY RANGE IN THE LOW TO MID 80S FRIDAY
AFTERNOON INCREASING TO THE UPPER 80S TO MID 90S SATURDAY AND THE
MID 90S TO AROUND 100 ON SUNDAY. AFTERNOON RELATIVE HUMIDITY
VALUES WILL LIKELY REMAIN BELOW 30% ACROSS MUCH OF THE CWA THROUGH
SUNDAY, WHICH MAY SUPPORT INCREASED FIRE WEATHER CONCERNS.
HOWEVER, WIND SPEEDS ARE FORECAST TO
A STRONG COLD FRONT WILL LIKELY MOVE THROUGH THE AREA SUNDAY NIGHT
INTO MONDAY, LIKELY BRINGING STRONG NORTHERLY WINDS, DRIER AIR,
AND COOLER TEMPERATURES TO START THE WORK WEEK. ADDITIONALLY,
THERE IS A LOW (<20%) CHANCE FOR SOME SHOWERS OR THUNDERSTORMS
ALONG THE FRONT, PRIMARILY OVER THE GULF WATERS. FIRE WEATHER WILL
LIKELY BE A CONCERN MONDAY AS RELATIVE HUMIDITY VALUES ARE
FORECAST TO FALL BELOW 20% AND STRONG WINDS WILL LIKELY CONTINUE
INTO THE AFTERNOON. HIGH TEMPERATURES MONDAY LOOK TO FALL INTO THE
MID 60S TO LOW 70S, GRADUALLY INCREASING BACK TO THE 80S BY MID
WEEK.
AVIATION
(12Z TAFS)
ISSUED AT 618 AM CDT FRI MAR 13 2026
VFR CONDITIONS ARE EXPECTED TO PERSIST THROUGH THE TAF PERIOD AT
ALL TAF SITES. LIGHT SOUTHEASTERLY WILL CONTINUE THROUGH THE TAF
PERIOD AS WELL. SOME LOW-LEVEL CLOUDS COULD MOVE THROUGH THE
REGION, BUT THE SKIES SHOULD BE MOSTLY CLEAR.
MARINE
ISSUED AT 1055 PM CDT THU MAR 12 2026
MARINE CONDITIONS ARE FORECAST TO CONTINUE IMPROVING TONIGHT WITH
GENERALLY FAVORABLE CONDITIONS FORECAST THROUGH SUNDAY. A STRONG
COLD FRONT WILL LIKELY MOVE THROUGH THE ARE SUNDAY NIGHT INTO
MONDAY, BRINGING STRONG NORTHERLY WINDS BEHIND THE FRONT, AND
INCREASED RAIN CHANCES (20-40%) ALONG THE FRONT. SMALL CRAFT
ADVISORIES OR GALE WARNINGS MAY BE NEEDED SUNDAY NIGHT AND MONDAY.
CONDITIONS WILL LIKELY IMPROVE AS LIGHT TO MODERATE SOUTHEASTERLY
WINDS AND SLIGHT TO MODERATE SEAS RETURN THROUGH THE REMAINDER OF
THE PERIOD.
PRELIMINARY POINT TEMPS/POPS
BROWNSVILLE 82 62 85 69 / 0 0 0 0
HARLINGEN 84 58 89 65 / 0 0 0 0
MCALLEN 88 63 93 69 / 0 0 0 0
RIO GRANDE CITY 87 59 95 65 / 0 0 0 0
SOUTH PADRE ISLAND 73 67 78 71 / 0 0 0 0
BAYVIEW/PORT ISABEL 79 62 85 68 / 0 0 0 0
BRO WATCHES/WARNINGS/ADVISORIES
TX...NONE.
GM...NONE.
SHORT TERM...60
LONG TERM....60
AVIATION...64-KATZ
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